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ThreadTest.cpp

//
// ThreadTest.cpp
//
// $Id: //poco/1.2/Foundation/testsuite/src/ThreadTest.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "ThreadTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Thread.h"
#include "Poco/Runnable.h"
#include "Poco/Event.h"


using Poco::Thread;
using Poco::Runnable;
using Poco::Event;


class MyRunnable: public Runnable
{
public:
      MyRunnable(): _ran(false)
      {
      }
      
      void run()
      {
            Thread* pThread = Thread::current();
            if (pThread)
                  _threadName = pThread->name();
            _ran = true;
            _event.wait();
      }
      
      bool ran() const
      {
            return _ran;
      }
      
      const std::string& threadName() const
      {
            return _threadName;
      }
      
      void notify()
      {
            _event.set();
      }
      
private:
      bool _ran;
      std::string _threadName;
      Event _event;
};


ThreadTest::ThreadTest(const std::string& name): CppUnit::TestCase(name)
{
}


ThreadTest::~ThreadTest()
{
}


void ThreadTest::testThread()
{
      Thread thread;
      MyRunnable r;
      assert (!thread.isRunning());
      thread.start(r);
      Thread::sleep(200);
      assert (thread.isRunning());
      r.notify();
      thread.join();
      assert (!thread.isRunning());
      assert (r.ran());
      assert (!r.threadName().empty());
}


void ThreadTest::testNamedThread()
{
      Thread thread("MyThread");
      MyRunnable r;
      thread.start(r);
      r.notify();
      thread.join();
      assert (r.ran());
      assert (r.threadName() == "MyThread");
}


void ThreadTest::testCurrent()
{
      assertNullPtr (Thread::current());
}


void ThreadTest::testThreads()
{
      Thread thread1("Thread1");
      Thread thread2("Thread2");
      Thread thread3("Thread3");
      Thread thread4("Thread4");

      MyRunnable r1;
      MyRunnable r2;
      MyRunnable r3;
      MyRunnable r4;
      assert (!thread1.isRunning());
      assert (!thread2.isRunning());
      assert (!thread3.isRunning());
      assert (!thread4.isRunning());
      thread1.start(r1);
      Thread::sleep(200);
      assert (thread1.isRunning());
      assert (!thread2.isRunning());
      assert (!thread3.isRunning());
      assert (!thread4.isRunning());
      thread2.start(r2);
      thread3.start(r3);
      thread4.start(r4);
      Thread::sleep(200);
      assert (thread1.isRunning());
      assert (thread2.isRunning());
      assert (thread3.isRunning());
      assert (thread4.isRunning());
      r4.notify();
      thread4.join();
      assert (!thread4.isRunning());
      assert (thread1.isRunning());
      assert (thread2.isRunning());
      assert (thread3.isRunning());
      r3.notify();
      thread3.join();
      assert (!thread3.isRunning());
      r2.notify();
      thread2.join();
      assert (!thread2.isRunning());
      r1.notify();
      thread1.join();
      assert (!thread1.isRunning());
      assert (r1.ran());
      assert (r1.threadName() == "Thread1");
      assert (r2.ran());
      assert (r2.threadName() == "Thread2");
      assert (r3.ran());
      assert (r3.threadName() == "Thread3");
      assert (r4.ran());
      assert (r4.threadName() == "Thread4");
}


void ThreadTest::setUp()
{
}


void ThreadTest::tearDown()
{
}


CppUnit::Test* ThreadTest::suite()
{
      CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("ThreadTest");

      CppUnit_addTest(pSuite, ThreadTest, testThread);
      CppUnit_addTest(pSuite, ThreadTest, testNamedThread);
      CppUnit_addTest(pSuite, ThreadTest, testCurrent);
      CppUnit_addTest(pSuite, ThreadTest, testThreads);

      return pSuite;
}

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